package com.stardust.autojs.apkbuilder.util;

import java.io.File;

public class DirsDelete {

        /**
         * 删除空目录
         * @param dir 将要删除的目录路径
         */
        private static void doDeleteEmptyDir(String dir) {
            boolean success = (new File(dir)).delete();
            if (success) {
                System.out.println("Successfully deleted empty directory: " + dir);
            } else {
                System.out.println("Failed to delete empty directory: " + dir);
            }
        }

        /**
         * 递归删除目录下的所有文件及子目录下所有文件
         * @param dir 将要删除的文件目录
         * @return boolean Returns "true" if all deletions were successful.
         *                 If a deletion fails, the method stops attempting to
         *                 delete and returns "false".
         */
        public static boolean deleteDir(File dir) {
            if (dir.isDirectory()) {
                String[] children = dir.list();
                for (int i=0; i<children.length; i++) {
                    boolean success = deleteDir(new File(dir, children[i]));
                    if (!success) {
                        return false;
                    }
                }
            }
            // 目录此时为空，可以删除
            return dir.delete();
        }

}
